CN1073233C - Container sealing surface inspection - Google Patents
Container sealing surface inspection Download PDFInfo
- Publication number
- CN1073233C CN1073233C CN95114842A CN95114842A CN1073233C CN 1073233 C CN1073233 C CN 1073233C CN 95114842 A CN95114842 A CN 95114842A CN 95114842 A CN95114842 A CN 95114842A CN 1073233 C CN1073233 C CN 1073233C
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- China
- Prior art keywords
- sealing surface
- container
- sensor
- light beam
- plane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 91
- 238000007689 inspection Methods 0.000 title description 2
- 238000000034 method Methods 0.000 claims description 15
- 230000003287 optical effect Effects 0.000 claims description 10
- 230000008859 change Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 230000003750 conditioning effect Effects 0.000 claims 7
- 238000001514 detection method Methods 0.000 claims 4
- 230000001154 acute effect Effects 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000003760 hair shine Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000004446 light reflex Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000004441 surface measurement Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/90—Investigating the presence of flaws or contamination in a container or its contents
- G01N21/9054—Inspection of sealing surface and container finish
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
Abstract
Apparatus for inspecting the sealing surfaces of containers that includes a light source positioned to direct a narrow beam of light energy at an acute angle onto the sealing surface of a container as the container is rotated about its central axis. A light sensor is disposed to receive the narrow beam of light energy reflected from the sealing surface, and provides an output signal that varies as a function of position of incidence of the reflected light beam on the sensor. The sensor is coupled to associated electronics for providing information indicative of container height, and a signal for controlling separation of a container from the conveyor system when height of the container, warp or dip of the container sealing surface, or cocked finish at the container exceeds predetermined standards.
Description
The present invention relates to check, the method and apparatus that changes more specifically to the sealing surface uniformity coefficient of measuring vessel to container.
United States Patent (USP) the 3rd, 313 has disclosed a kind of device that is used to check glass container No. 409, and wherein star wheel is carried container in order, through a series of test houses.Test house therein, check the selected dimensional parameters of each container, method is such: with a roller contacting container that links to each other with sensor, and make container center on its central shaft rotation, so sensor provides the function that changes as container parameters and the output signal that changes.Particularly the spiral cover of the concavo-convex situation of the height of container, sealing surface and container finished product orientation is all measured by roller, and when container rotated, roller and container sealing surface were adjacent to.Roller and LVDT sensors coupled, this sensor provide the analog electrical signal of expression sealing surface uniformity coefficient (highly) deviation or variation.These signals are sent in the suitable electronic circuit, if the signal of measuring departs from desired standard and technical specification, just start and get rid of bar, and container is separated with transmission line.
Though the checking system that above-mentioned patent (transferring the assignee of presents) discloses has obtained good economic benefit, still wish to be improved.The roller that contacts with container sealing surface is subjected to mechanical wear.Roller may be done the stolen goods sealing surface.The size restrictions of the used roller that links to each other with container the size of container, and limited can be detected the precision that changes of uniformity coefficient.Moving component needs maintenance and repair.General purpose of the present invention provides a kind of apparatus and method that inspecting containers sealing surface uniformity coefficient changes that are used for, and these apparatus and method have overcome above-mentioned weak point of the prior art.
More particularly, an object of the present invention is to provide a kind of apparatus and method that adopt photoelectric technology measuring vessel sealing surface uniformity coefficient to change, wherein pick-up unit does not contact with measurement face.Another object of the present invention provides a kind of method and apparatus that reaches above purpose, has described feature, can be implemented simultaneously very economically, and reliable in the length of life of whole prolongation.A further object of the present invention provides a kind of photoelectricity non-contact method and device, is used to measure the container height at sealing surface place, measures the concavo-convex situation of sealing surface, and measures the container finished product that adds spiral cover.
The present invention has conceived a kind of method and apparatus that changes by the uniformity coefficient of photoelectric measurement container sealing surface, promptly a branch of very narrow light with energy is shone directly on the sealing surface, and light reflexes to an optical sensor from sealing surface more then.So sensor provides the electrical output signal that changes as the function of the folded light beam incoming position on the sensor.Like this, any friendshipization of container sealing surface uniformity coefficient can cause that all corresponding folded light beam shines the point on the sensor or the variation of position, so sensor provides as the direct function of sealing surface uniformity coefficient and the output signal that changes.
The device of the sealing surface that is used for the inspecting containers finished product of most preferred embodiment comprises a light source according to the present invention, and when container rotated around its central shaft, the position of light source can shine directly into the narrow light beam with energy on the sealing surface of container.Light sensor arrangement is used to receive the narrow light beam with energy by the sealing surface reflection, and the output signal that changes as the function of the incoming position of folded light beam on the sensor is provided.Sensor is continuous with relevant electronic circuit, the information of expression container height is provided, and when the concavo-convex situation of the height of container, sealing surface or add that the container finished product of spiral cover surpasses predetermined standard time, is provided for controlling the signal that container is separated from conveyor system.
Light source in the most preferred embodiment of the present invention and optical sensor be placed on container sealing surface above, and, make that incide the sealing surface of container is in the plane vertical with sealing surface with sealing surface beam reflected from container according to mutual alignment and container sealing surface orientation.In one embodiment of the invention, two pairs of light source/sensor are placed on the relative both sides of container, and each sensor provides the output signal that changes as the function of the container sealing surface uniformity coefficient closely adjacent with this sensor.Two sensors link to each other with electronic circuit, and this electronic circuit is used for determining changing as the uniformity coefficient of the sealing surface of the function of functions of two sensor output signals.So the concavity attitude of sealing surface is identified and measures with the function that the container finished product that adds spiral cover can be used as the difference of sensor output signal, the function that the convex attitude of while sealing surface can be used as the sensor output signal sum is identified and measures.The height of container and be determined through the function that the height change between the continuous container that is transmitted of test house can be used as one of them or two signal of sensor.
By following description, appended claims and accompanying drawing, will better understanding be arranged to other purpose of the present invention, feature and advantage.In the accompanying drawing:
Fig. 1 is the schematic representation of apparatus according to the inspecting containers sealing surface of a most preferred embodiment of the present invention;
Fig. 2 A and 2B are the partial schematic diagrams of operation of the embodiment of presentation graphs 1; And
Fig. 3 is a synoptic diagram that improves embodiment of the present invention.
With reference to Fig. 1, conveyer 20 generally comprises star wheel (not shown) and slide plate 21, and conveyer 20 is to place like this, and it links to each other with the molded container source, so that continuous container 22 is sent into 24 residing positions, sealing surface test house.This star wheel conveyer vessel examination device is for example obtaining openly in the above-mentioned United States Patent (USP) the 3rd, 313,409.The bottle slewing 26 such such as driven roller engages with being in station each container 22 in 24, and when container was transmitted machine and is placed on the fixed position, bottle slewing 26 made container center on its central shaft 25 to rotate.Scrambler 28 links to each other with the container rotating mechanism, and the signal of expression container increment of rotation is provided.Provide such as the such detecting device 30 of switch and to be illustrated in the signal that there is container 22 in 24 in the station.
In embodiments of the invention shown in Figure 1, container 22 comprises molded vial, and it has the bottleneck 34 of columniform bottle 32 and substantially cylindrical, and bottleneck 34 projects upwards from the shoulder 35 of bottle.The finished product of container partly comprises the top of the bottleneck 34 that ends at axial lid sealing surface 36, and this part will be verified according to the present invention.Screw thread 38 is by the molded outside surface that advances the finished product wall together, and it perhaps forms flange or shoulder shape lug boss around container mouth on finished product wall outside surface, and the annular ring of the circle lid that curls in a usual manner on this outside surface is used for lid is fixed to container.The present invention aim to provide a kind of check height and above be screwed with the method and apparatus that the uniformity coefficient of the sealing surface 36 of lid changes.
Be arranged in the top of sealing surface 36 of the container 22 at station 24 such as laser instrument or the such light source 42 of incandescent light source, and the location makes the narrow calibration beam 44 with energy acutangulate downward directive sealing surface 36.Camera 46 also is arranged in the top of the sealing surface 36 of station 24 container 22, and the location is so that receive from sealing surface 36 beam reflected 45.Camera 46 comprises focus lamp 48 and optical sensor 50, and optical sensor 50 provides electrical output signal, and this output signal is not only represented the incident of the luminous energy that reflects on the sensor, and the position of incident on the expression sensor.Message handler 52 receives the signal of self-detector 30, has container 22 in this signal indication test house 24, and receives the signal from scrambler 28, the increment of this signal indication container rotation.Camera 46 equally also links to each other with message handler 52, is used for receiving control signal from processor 52, and the output signal of the incoming position of the folded light beam 45 on the expression sensor 50 is provided to message handler.Light source 42 equally also is subject to processing the control of device 52.
The ruuning situation of Fig. 1 embodiment is shown in Fig. 2 A and 2B.In Fig. 2 A, incident beam 44 intersects at A point and sealing surface 36, then in the reflection of 45 places, upwards shines the B point of sensor through lens 48.In Fig. 2 B, light beam 44 incides the A ' point among the pocket 36a on the sealing surface 36.Therefore folded light beam 45 process lens 48 are incident on the different B ' point on the sensor 50.Because sensor 50 provides the output signal of representing the incoming position on the sensor to message handler 52 (Fig. 1), so this output signal of Fig. 2 B will be different with the signal of Fig. 2 A.Therefore, message handler 52 has received a signal, and this signal indication changes in the uniformity coefficient of the container point of rotation sealing surface that runs into pocket 36a, and expression corresponding diagram 2A acceptance of the bid is weighed into the deviation amplitude between the incidence point B ' that changes among exit point B and Fig. 2 B.At pocket 36a is under the situation of arc substantially, and to the corresponding bigger increment of container rotation, the sensor output signal of the variation in Fig. 2 B situation will keep.On the other hand, if run into the part 36b of projection on sealing surface, the incidence point B ' of the reflected light 45 on the sensor 50 will change round about so, and provide corresponding signal to message handler 52.
So the device of Fig. 1 provides signal to message handler 52, this signal represents that not only the uniformity coefficient of sealing surface 36 when container rotates changes (can represent concavo-convex or add the finished product of spiral cover), but also the average height of expression sealing surface when container rotates.The average height of this sealing surface and/or height change can show in equipment 54, and compare with corresponding standard or threshold value in processor 52.If average sealing surface height is in beyond the technical specification, if it is perhaps concavo-convex or add that the sealing surface measurement of spiral cover is in beyond the receivable technical specification, produce so and get rid of signal, and deliver to suitable eliminating mechanism, so that from processing line, remove this container.
Fig. 3 represents an improved 24a of test house, has wherein placed a pair of light source/sensor module 56,58 in the relative both sides of vessel port, so that light beam 44 is separately shone downwards on the sealing surface, and receives from sealing surface beam reflected 45.The paired light source/sensor configuration of Fig. 3 has special advantage, promptly can be in real time the output of each light source/sensor module 56,58 be compared, so that determine altitude response as the container 22 of the function of functions of this output signal.In other words, it is measured that the concavity attitude that adds the container finished product of spiral cover and sealing surface 36 can be used as the function of difference of sealing surface height of opposite side of vessel port, and the convex attitude of the sealing surface function that can be used as the sensor output signal sum is identified simultaneously.The height change amplitude of this sealing surface can be once more shows in equipment 54 (Fig. 1), and compares with suitable standard or technical specification, gets rid of signal so that produce.
Claims (11)
1. the device that is used for inspecting containers (22) finished product (34), this container have a central shaft (25) and an opening, and opening is sealed the axial sealing surface (36) that is adjacent to container cover and surrounds, and described device comprises:
Make the device (26) of container (22) around the turning axle rotation that overlaps with its central shaft (25);
Light source (42), its position can shine directly into the incident light with energy on the sealing surface (36) of the container in the described whirligig;
Light sensor arrangement (46) is used for receiving the described light beam (45) with energy by sealing surface (36) reflection;
Described light source (42) and described light sensor arrangement (46) be placed on container (22) sealing surface (36) above, its position makes the light beam (44) of the sealing surface (36) incide container be in the plane vertical with sealing surface (36) with sealing surface (36) beam reflected (45) from container; And
Signal conditioning package (52) with scrambler (28), detecting device (30) and sensor (50) link to each other is used for the variation of detection receptacle sealing surface (36);
It is characterized in that described incident beam (44) is narrow collimated light beam, produce corresponding luminous point (B, B ', B ") so that go up to produce luminous point (A, A ', A ") and go up at described light sensor arrangement (46) at described sealing surface (36);
Described signal conditioning package (52) is used for detecting the uniformity coefficient variation of sealing surface (36), this detection is by with the luminous point (B on the described light sensor arrangement (46), B ', B ") the position become that sealing surface (36) realizes with respect to the true altitude of described light source (42) and described sensor device (46);
The uniformity coefficient of described sealing surface (36) changes by described signal conditioning package (52) detection, and it is the function that described optical sensor (46) is gone up the incoming position of folded light beam (45) when container (22) rotates that this uniformity coefficient changes; And
Described light source (42) and described optical sensor (46) are placed on parallel with described axle but are spaced laterally apart in one section plane with the corresponding distance of diameter of sealing surface (36).
2. device as claimed in claim 1 is characterized in that first is placed on the horizontal opposite side of turning axle (25) to (56) coefficient first light sources (42) and first light sensor arrangement (46) and second to (58) coefficient secondary light source (42) and second light sensor arrangement (46); And
Incident beam (44) be in vertical respectively with folded light beam (45) with container sealing surface (36) and with the tangent plane of the center line of sealing surface (36) in.
3. device as claimed in claim 2, it is characterized in that described signal conditioning package (52) comprises detects as described first and second in (56,58) each being gone up the device of described sealing surface (36) the uniformity coefficient variation of the function of functions that the incoming position of folded light beam (45) changes.
4. device as claimed in claim 3 is characterized in that described first and second provide an electric signal in (56,58) each, and this signal changes as the function of the incoming position of relevant folded light beam (45);
And wherein said signal conditioning package (52) comprises the device that described signal sum is responded.
5. device as claimed in claim 3 is characterized in that described first and second provide an electric signal in (56,58) each, and this signal changes as the function of the incoming position of relevant folded light beam (45);
And wherein said signal conditioning package (52) comprises the device that the difference to described signal responds.
6. as each described device among the claim 1-5, it is characterized in that described light sensor arrangement (46) comprises a sensor (50) with transversal effect diode, placement location makes it have the transversal effect axle in described plane.
7. as each described device among the claim 1-5, it is characterized in that described light sensor arrangement (46) comprises a sensor (50) with photoarray, placement location is in the described plane described array.
8. as each described device among the claim 1-5, it is characterized in that described light source (42) comprises a laser instrument.
9. the method for inspecting containers (22) finished product, this container has a central shaft (25) and an opening, opening by and the axial sealing surface (36) that is adjacent to of container cover sealing surround, said method comprising the steps of:
(a) around axle (25) rotary container (22) of container;
(b) when container rotates, make incident beam (44) acutangulate the sealing surface (36) of directive container with energy, therefore make to be in the plane vertical with sealing surface (36) from sealing surface (36) beam reflected;
(c) optical sensor (46) is placed in the described vertical plane, it is received from sealing surface (36) beam reflected (45);
(d) provide signal conditioning package (52), the variation of the sealing surface (36) of detection receptacle (22);
It is characterized in that:
(e) make incident beam (44) very narrow and collimated, therefore go up at sealing surface (36) and produce luminous point (A, A ', A "), folded light beam (45) directive optical sensor (46); and the formation luminous point (B; B ', B "), luminous point (B, B ', B ") the position change and change with respect to described sensor along with the height of sealing surface (36);
(f) with described luminous point (B, B '; B ") the position become true altitude on the sealing surface (36) of described container (22), it is that function as the incoming position variation of the folded light beam (45) on the described optical sensor (46) when container (22) rotates is detected that the uniformity coefficient of true altitude changes, and incident beam and folded light beam are arranged in parallel with vessel axis but are spaced laterally apart a plane of a segment distance.
10. method as claimed in claim 9 is characterized in that also comprising step:
(g) when container rotates, make narrow incident beam (44) acutangulate the sealing surface (36) of directive container (22), therefore make incident beam (44) incident to form luminous point (A with energy, A '), and on second plane reflect from sealing surface (36) perpendicular to sealing surface (36);
(h), it is received from the folded light beam (45) of sealing surface (36) reflection with second optical sensor location; And
(i) detect when container rotate uniformity coefficient variation as the container sealing surface of the function of functions of the incoming position variation of folded light beam on the described sensor.
11. method as claimed in claim 10 is characterized in that described plane is positioned at the laterally relative both sides of turning axle (25), its distance is determined according to the A/F of container.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US223,803 | 1994-04-07 | ||
| US08/223,803 US5489987A (en) | 1994-04-07 | 1994-04-07 | Container sealing surface inspection |
| US223803 | 1994-04-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1120157A CN1120157A (en) | 1996-04-10 |
| CN1073233C true CN1073233C (en) | 2001-10-17 |
Family
ID=22838034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN95114842A Expired - Lifetime CN1073233C (en) | 1994-04-07 | 1995-04-06 | Container sealing surface inspection |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US5489987A (en) |
| EP (1) | EP0676633B1 (en) |
| JP (1) | JP3774246B2 (en) |
| KR (1) | KR100346327B1 (en) |
| CN (1) | CN1073233C (en) |
| AT (1) | ATE262172T1 (en) |
| BR (1) | BR9501476A (en) |
| CA (1) | CA2146095C (en) |
| DE (1) | DE69532695T2 (en) |
| DK (1) | DK0676633T3 (en) |
| ES (1) | ES2217271T3 (en) |
| PL (1) | PL177700B1 (en) |
| PT (1) | PT676633E (en) |
| ZA (1) | ZA952850B (en) |
Families Citing this family (20)
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| US5896195A (en) * | 1997-05-15 | 1999-04-20 | Owens-Brockway Glass Container Inc. | Container sealing surface area inspection |
| US6175107B1 (en) | 1998-05-27 | 2001-01-16 | Owens-Brockway Glass Container Inc. | Inspection of containers employing a single area array sensor and alternately strobed light sources |
| US6086216A (en) * | 1998-12-22 | 2000-07-11 | Goldfarb; Eric A. | Bottle lantern |
| US6104482A (en) * | 1999-12-02 | 2000-08-15 | Owens-Brockway Glass Container Inc. | Container finish check detection |
| US6256095B1 (en) | 2000-01-21 | 2001-07-03 | Owens-Brockway Glass Container Inc. | Container sealing surface area inspection |
| US6654117B1 (en) | 2001-09-04 | 2003-11-25 | The Quaker Oats Company | Bottle cap sensor apparatus and method |
| US6903814B1 (en) | 2003-03-05 | 2005-06-07 | Owens-Brockway Glass Container Inc. | Container sealing surface inspection |
| US7010863B1 (en) * | 2004-01-26 | 2006-03-14 | Owens-Brockway Glass Container Inc. | Optical inspection apparatus and method for inspecting container lean |
| US7326025B2 (en) * | 2004-05-04 | 2008-02-05 | Texas Instruments Incorporated | System for detecting warped carriers and associated methods |
| US7060999B2 (en) | 2004-07-09 | 2006-06-13 | Owens-Brockway Glass Container Inc. | Apparatus and method for inspecting ribbed containers |
| US7480040B2 (en) * | 2005-11-22 | 2009-01-20 | Owens-Brockway Glass Container Inc. | Method and apparatus for inspecting container sidewall contour |
| US20070115467A1 (en) * | 2005-11-23 | 2007-05-24 | Owens-Brockway Glass Container | Apparatus and method for ensuring rotation of a container during inspection |
| EP2381246A1 (en) * | 2010-04-26 | 2011-10-26 | Becton Dickinson France | Device, kit and method for inspection of an article |
| DE102012022474B4 (en) * | 2012-11-19 | 2014-06-26 | Khs Corpoplast Gmbh | Inspection arrangement for container mouths |
| DE102015203726B4 (en) * | 2015-03-03 | 2022-07-14 | Syntegon Technology Gmbh | Apparatus and method for inspecting a closure |
| DE102015211317B4 (en) * | 2015-06-19 | 2021-04-01 | Krones Ag | Inspection method and device for checking the closure of containers |
| US10012598B2 (en) | 2015-07-17 | 2018-07-03 | Emhart S.A. | Multi-wavelength laser check detection tool |
| USD789791S1 (en) * | 2016-04-11 | 2017-06-20 | Fredric L. Hill | Water bottle |
| KR102134639B1 (en) * | 2017-08-14 | 2020-07-17 | 구뎅 프리시젼 인더스트리얼 코포레이션 리미티드 | Method and system of measuring air-tightness and container measured thereby |
| EP3755541A4 (en) * | 2018-02-22 | 2021-11-03 | Trelleborg Sealing Solutions U.S., Inc. | System and method for detecting a condition of a seal |
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1994
- 1994-04-07 US US08/223,803 patent/US5489987A/en not_active Expired - Lifetime
-
1995
- 1995-03-30 AT AT95104695T patent/ATE262172T1/en active
- 1995-03-30 DE DE69532695T patent/DE69532695T2/en not_active Expired - Lifetime
- 1995-03-30 EP EP95104695A patent/EP0676633B1/en not_active Expired - Lifetime
- 1995-03-30 PT PT95104695T patent/PT676633E/en unknown
- 1995-03-30 DK DK95104695T patent/DK0676633T3/en active
- 1995-03-30 ES ES95104695T patent/ES2217271T3/en not_active Expired - Lifetime
- 1995-03-31 CA CA002146095A patent/CA2146095C/en not_active Expired - Fee Related
- 1995-04-06 KR KR1019950007956A patent/KR100346327B1/en not_active IP Right Cessation
- 1995-04-06 BR BR9501476A patent/BR9501476A/en not_active IP Right Cessation
- 1995-04-06 ZA ZA952850A patent/ZA952850B/en unknown
- 1995-04-06 CN CN95114842A patent/CN1073233C/en not_active Expired - Lifetime
- 1995-04-06 JP JP10463395A patent/JP3774246B2/en not_active Expired - Fee Related
- 1995-04-07 PL PL95308042A patent/PL177700B1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE69532695T2 (en) | 2005-02-10 |
| EP0676633A1 (en) | 1995-10-11 |
| BR9501476A (en) | 1995-11-07 |
| EP0676633B1 (en) | 2004-03-17 |
| PL308042A1 (en) | 1995-10-16 |
| ZA952850B (en) | 1995-12-21 |
| CN1120157A (en) | 1996-04-10 |
| AU1626695A (en) | 1995-10-19 |
| ES2217271T3 (en) | 2004-11-01 |
| PL177700B1 (en) | 2000-01-31 |
| KR100346327B1 (en) | 2002-11-29 |
| KR950033416A (en) | 1995-12-26 |
| CA2146095A1 (en) | 1995-10-08 |
| PT676633E (en) | 2004-08-31 |
| US5489987A (en) | 1996-02-06 |
| DE69532695D1 (en) | 2004-04-22 |
| DK0676633T3 (en) | 2004-07-12 |
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| ATE262172T1 (en) | 2004-04-15 |
| CA2146095C (en) | 2007-03-20 |
| JP3774246B2 (en) | 2006-05-10 |
| AU689536B2 (en) | 1998-04-02 |
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